120228739 has 2 divisors, whose sum is σ = 120228740. Its totient is φ = 120228738.

The previous prime is 120228727. The next prime is 120228761. The reversal of 120228739 is 937822021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120228739 - 2⁷ = 120228611 is a prime.

It is not a weakly prime, because it can be changed into another prime (120228439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60114369 + 60114370.

It is an arithmetic number, because the mean of its divisors is an integer number (60114370).

Almost surely, 2^120228739 is an apocalyptic number.

120228739 is a deficient number, since it is larger than the sum of its proper divisors (1).

120228739 is an equidigital number, since it uses as much as digits as its factorization.

120228739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 120228739 is about 10964.8866387209. The cubic root of 120228739 is about 493.5556153269. Note that the first 3 decimals are identical.

The spelling of 120228739 in words is "one hundred twenty million, two hundred twenty-eight thousand, seven hundred thirty-nine".